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 Above you can see the installed primary cooling heating assembly nice and compact so I can keep my wiring right where it is at :D. Painless has two wires in it harness for factory and one for aftermarket so the wiring is progressing satisfactorily will be finishing it up tommorrow morning.






Above is a picture of the old air products wiring schematics. Working with painless atm to get them merged together and working properly :D

 Below you can see where I set the relay up in the cab since it makes thing simpler when I need to service something.